Παραπομπή σε μορφή APA (7η εκδ.)
European Union. Commission. Directorate General XI for the Environment Nuclear Safety and Civil Protection & European Union. Office for Official Publications. (1999). Environmental education and training: Selected projects. European Union. Office for Official Publications.
Παραπομπή σε μορφή Chicago (17η εκδ.)
European Union. Commission. Directorate General XI for the Environment Nuclear Safety and Civil Protection και European Union. Office for Official Publications. Environmental Education and Training: Selected Projects. European Union. Office for Official Publications, 1999.
Παραπομπή σε μορφή MLA (9th εκδ.)
European Union. Commission. Directorate General XI for the Environment Nuclear Safety and Civil Protection και European Union. Office for Official Publications. Environmental Education and Training: Selected Projects. European Union. Office for Official Publications, 1999.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.